<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  
<html>  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">  
<title>Insert title here</title>  
</head>  
<body>  
  
    <form action="/login" method="post">  
        用户名：<input type="text" name="username" />  
        密码：<input type="password" name="password" />  
        </br><input type="submit" value='login'/>  
    </form>  
</body>  
</html>